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Keywords: Secondary efflorescence 1 of 2.jpg Secondary efflorescence Water seeping through the concrete often in cracks having dissolved components of cement stone like Osteoporosis of the concrete This often happens in parking garages as road salt comes off cars as a saline solution in the winter then affecting the concrete floor the cars are parking on Own 2007-08-27 Achim Hering Efflorescence Secondary efflorescence Cracks Images modified by User Yjenith |